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    <title>app-widgets</title>
    <script>/**
 * @license
 * Copyright (c) 2012-2014 The Polymer Authors. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *    * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *    * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// @version: 0.2.1-59f745d
function PointerGestureEvent(a,b){var c=b||{},d=document.createEvent("Event"),e={bubbles:Boolean(c.bubbles)===c.bubbles||!0,cancelable:Boolean(c.cancelable)===c.cancelable||!0};d.initEvent(a,e.bubbles,e.cancelable);for(var f,g=Object.keys(c),h=0;h<g.length;h++)f=g[h],d[f]=c[f];return d.preventTap=this.preventTap,d}"undefined"==typeof WeakMap&&!function(){var a=Object.defineProperty,b=Date.now()%1e9,c=function(){this.name="__st"+(1e9*Math.random()>>>0)+(b++ +"__")};c.prototype={set:function(b,c){var d=b[this.name];d&&d[0]===b?d[1]=c:a(b,this.name,{value:[b,c],writable:!0})},get:function(a){var b;return(b=a[this.name])&&b[0]===a?b[1]:void 0},"delete":function(a){this.set(a,void 0)}},window.WeakMap=c}(),function(global){"use strict";function detectObjectObserve(){function a(a){b=a}if("function"!=typeof Object.observe||"function"!=typeof Array.observe)return!1;var b=[],c={},d=[];return Object.observe(c,a),Array.observe(d,a),c.id=1,c.id=2,delete c.id,d.push(1,2),d.length=0,Object.deliverChangeRecords(a),5!==b.length?!1:"add"!=b[0].type||"update"!=b[1].type||"delete"!=b[2].type||"splice"!=b[3].type||"splice"!=b[4].type?!1:(Object.unobserve(c,a),Array.unobserve(d,a),!0)}function detectEval(){if(global.document&&"securityPolicy"in global.document&&!global.document.securityPolicy.allowsEval)return!1;try{var a=new Function("","return true;");return a()}catch(b){return!1}}function isIndex(a){return+a===a>>>0}function toNumber(a){return+a}function isObject(a){return a===Object(a)}function areSameValue(a,b){return a===b?0!==a||1/a===1/b:numberIsNaN(a)&&numberIsNaN(b)?!0:a!==a&&b!==b}function isPathValid(a){return"string"!=typeof a?!1:(a=a.trim(),""==a?!0:"."==a[0]?!1:pathRegExp.test(a))}function Path(a,b){if(b!==constructorIsPrivate)throw Error("Use Path.get to retrieve path objects");return""==a.trim()?this:isIndex(a)?(this.push(a),this):(a.split(/\s*\.\s*/).filter(function(a){return a}).forEach(function(a){this.push(a)},this),void(hasEval&&this.length&&(this.getValueFrom=this.compiledGetValueFromFn())))}function getPath(a){if(a instanceof Path)return a;null==a&&(a=""),"string"!=typeof a&&(a=String(a));var b=pathCache[a];if(b)return b;if(!isPathValid(a))return invalidPath;var b=new Path(a,constructorIsPrivate);return pathCache[a]=b,b}function dirtyCheck(a){for(var b=0;MAX_DIRTY_CHECK_CYCLES>b&&a.check_();)b++;return global.testingExposeCycleCount&&(global.dirtyCheckCycleCount=b),b>0}function objectIsEmpty(a){for(var b in a)return!1;return!0}function diffIsEmpty(a){return objectIsEmpty(a.added)&&objectIsEmpty(a.removed)&&objectIsEmpty(a.changed)}function diffObjectFromOldObject(a,b){var c={},d={},e={};for(var f in b){var g=a[f];(void 0===g||g!==b[f])&&(f in a?g!==b[f]&&(e[f]=g):d[f]=void 0)}for(var f in a)f in b||(c[f]=a[f]);return Array.isArray(a)&&a.length!==b.length&&(e.length=a.length),{added:c,removed:d,changed:e}}function runEOMTasks(){if(!eomTasks.length)return!1;for(var a=0;a<eomTasks.length;a++)eomTasks[a]();return eomTasks.length=0,!0}function newObservedObject(){function a(a){b&&b.state_===OPENED&&!d&&b.check_(a)}var b,c,d=!1,e=!0;return{open:function(c){if(b)throw Error("ObservedObject in use");e||Object.deliverChangeRecords(a),b=c,e=!1},observe:function(b,d){c=b,d?Array.observe(c,a):Object.observe(c,a)},deliver:function(b){d=b,Object.deliverChangeRecords(a),d=!1},close:function(){b=void 0,Object.unobserve(c,a),observedObjectCache.push(this)}}}function getObservedObject(a,b,c){var d=observedObjectCache.pop()||newObservedObject();return d.open(a),d.observe(b,c),d}function newObservedSet(){function a(b){if(b){var c=i.indexOf(b);c>=0?(i[c]=void 0,h.push(b)):h.indexOf(b)<0&&(h.push(b),Object.observe(b,e)),a(Object.getPrototypeOf(b))}}function b(){var b=i===emptyArray?[]:i;i=h,h=b;var c;for(var d in f)c=f[d],c&&c.state_==OPENED&&c.iterateObjects_(a);for(var g=0;g<i.length;g++){var j=i[g];j&&Object.unobserve(j,e)}i.length=0}function c(){k=!1,j&&b()}function d(){k||(j=!0,k=!0,runEOM(c))}function e(){b();var a;for(var c in f)a=f[c],a&&a.state_==OPENED&&a.check_()}var f=[],g=0,h=[],i=emptyArray,j=!1,k=!1,l={object:void 0,objects:h,open:function(b){f[b.id_]=b,g++,b.iterateObjects_(a)},close:function(a){if(f[a.id_]=void 0,g--,g)return void d();j=!1;for(var b=0;b<h.length;b++)Object.unobserve(h[b],e),Observer.unobservedCount++;f.length=0,h.length=0,observedSetCache.push(this)},reset:d};return l}function getObservedSet(a,b){return lastObservedSet&&lastObservedSet.object===b||(lastObservedSet=observedSetCache.pop()||newObservedSet(),lastObservedSet.object=b),lastObservedSet.open(a),lastObservedSet}function Observer(){this.state_=UNOPENED,this.callback_=void 0,this.target_=void 0,this.directObserver_=void 0,this.value_=void 0,this.id_=nextObserverId++}function addToAll(a){Observer._allObserversCount++,collectObservers&&allObservers.push(a)}function removeFromAll(){Observer._allObserversCount--}function ObjectObserver(a){Observer.call(this),this.value_=a,this.oldObject_=void 0}function ArrayObserver(a){if(!Array.isArray(a))throw Error("Provided object is not an Array");ObjectObserver.call(this,a)}function PathObserver(a,b){Observer.call(this),this.object_=a,this.path_=b instanceof Path?b:getPath(b),this.directObserver_=void 0}function CompoundObserver(){Observer.call(this),this.value_=[],this.directObserver_=void 0,this.observed_=[]}function identFn(a){return a}function ObserverTransform(a,b,c,d){this.callback_=void 0,this.target_=void 0,this.value_=void 0,this.observable_=a,this.getValueFn_=b||identFn,this.setValueFn_=c||identFn,this.dontPassThroughSet_=d}function notifyFunction(a,b){if("function"==typeof Object.observe){var c=Object.getNotifier(a);return function(d,e){var f={object:a,type:d,name:b};2===arguments.length&&(f.oldValue=e),c.notify(f)}}}function diffObjectFromChangeRecords(a,b,c){for(var d={},e={},f=0;f<b.length;f++){var g=b[f];expectedRecordTypes[g.type]?(g.name in c||(c[g.name]=g.oldValue),"update"!=g.type&&("add"!=g.type?g.name in d?(delete d[g.name],delete c[g.name]):e[g.name]=!0:g.name in e?delete e[g.name]:d[g.name]=!0)):(console.error("Unknown changeRecord type: "+g.type),console.error(g))}for(var h in d)d[h]=a[h];for(var h in e)e[h]=void 0;var i={};for(var h in c)if(!(h in d||h in e)){var j=a[h];c[h]!==j&&(i[h]=j)}return{added:d,removed:e,changed:i}}function newSplice(a,b,c){return{index:a,removed:b,addedCount:c}}function ArraySplice(){}function calcSplices(a,b,c,d,e,f){return arraySplice.calcSplices(a,b,c,d,e,f)}function intersect(a,b,c,d){return c>b||a>d?-1:b==c||d==a?0:c>a?d>b?b-c:d-c:b>d?d-a:b-a}function mergeSplice(a,b,c,d){for(var e=newSplice(b,c,d),f=!1,g=0,h=0;h<a.length;h++){var i=a[h];if(i.index+=g,!f){var j=intersect(e.index,e.index+e.removed.length,i.index,i.index+i.addedCount);if(j>=0){a.splice(h,1),h--,g-=i.addedCount-i.removed.length,e.addedCount+=i.addedCount-j;var k=e.removed.length+i.removed.length-j;if(e.addedCount||k){var c=i.removed;if(e.index<i.index){var l=e.removed.slice(0,i.index-e.index);Array.prototype.push.apply(l,c),c=l}if(e.index+e.removed.length>i.index+i.addedCount){var m=e.removed.slice(i.index+i.addedCount-e.index);Array.prototype.push.apply(c,m)}e.removed=c,i.index<e.index&&(e.index=i.index)}else f=!0}else if(e.index<i.index){f=!0,a.splice(h,0,e),h++;var n=e.addedCount-e.removed.length;i.index+=n,g+=n}}}f||a.push(e)}function createInitialSplices(a,b){for(var c=[],d=0;d<b.length;d++){var e=b[d];switch(e.type){case"splice":mergeSplice(c,e.index,e.removed.slice(),e.addedCount);break;case"add":case"update":case"delete":if(!isIndex(e.name))continue;var f=toNumber(e.name);if(0>f)continue;mergeSplice(c,f,[e.oldValue],1);break;default:console.error("Unexpected record type: "+JSON.stringify(e))}}return c}function projectArraySplices(a,b){var c=[];return createInitialSplices(a,b).forEach(function(b){return 1==b.addedCount&&1==b.removed.length?void(b.removed[0]!==a[b.index]&&c.push(b)):void(c=c.concat(calcSplices(a,b.index,b.index+b.addedCount,b.removed,0,b.removed.length)))}),c}var hasObserve=detectObjectObserve(),hasEval=detectEval(),numberIsNaN=global.Number.isNaN||function(a){return"number"==typeof a&&global.isNaN(a)},createObject="__proto__"in{}?function(a){return a}:function(a){var b=a.__proto__;if(!b)return a;var c=Object.create(b);return Object.getOwnPropertyNames(a).forEach(function(b){Object.defineProperty(c,b,Object.getOwnPropertyDescriptor(a,b))}),c},identStart="[$_a-zA-Z]",identPart="[$_a-zA-Z0-9]",ident=identStart+"+"+identPart+"*",elementIndex="(?:[0-9]|[1-9]+[0-9]+)",identOrElementIndex="(?:"+ident+"|"+elementIndex+")",path="(?:"+identOrElementIndex+")(?:\\s*\\.\\s*"+identOrElementIndex+")*",pathRegExp=new RegExp("^"+path+"$"),constructorIsPrivate={},pathCache={};Path.get=getPath,Path.prototype=createObject({__proto__:[],valid:!0,toString:function(){return this.join(".")},getValueFrom:function(a){for(var b=0;b<this.length;b++){if(null==a)return;a=a[this[b]]}return a},iterateObjects:function(a,b){for(var c=0;c<this.length;c++){if(c&&(a=a[this[c-1]]),!isObject(a))return;b(a)}},compiledGetValueFromFn:function(){var a=this.map(function(a){return isIndex(a)?'["'+a+'"]':"."+a}),b="",c="obj";b+="if (obj != null";for(var d=0;d<this.length-1;d++){{this[d]}c+=a[d],b+=" &&\n     "+c+" != null"}return b+=")\n",c+=a[d],b+="  return "+c+";\nelse\n  return undefined;",new Function("obj",b)},setValueFrom:function(a,b){if(!this.length)return!1;for(var c=0;c<this.length-1;c++){if(!isObject(a))return!1;a=a[this[c]]}return isObject(a)?(a[this[c]]=b,!0):!1}});var invalidPath=new Path("",constructorIsPrivate);invalidPath.valid=!1,invalidPath.getValueFrom=invalidPath.setValueFrom=function(){};var MAX_DIRTY_CHECK_CYCLES=1e3,eomTasks=[],runEOM=hasObserve?function(){var a={pingPong:!0},b=!1;return Object.observe(a,function(){runEOMTasks(),b=!1}),function(c){eomTasks.push(c),b||(b=!0,a.pingPong=!a.pingPong)}}():function(){return function(a){eomTasks.push(a)}}(),observedObjectCache=[],emptyArray=[],observedSetCache=[],lastObservedSet,UNOPENED=0,OPENED=1,CLOSED=2,RESETTING=3,nextObserverId=1;Observer.prototype={open:function(a,b){if(this.state_!=UNOPENED)throw Error("Observer has already been opened.");return addToAll(this),this.callback_=a,this.target_=b,this.state_=OPENED,this.connect_(),this.value_},close:function(){this.state_==OPENED&&(removeFromAll(this),this.state_=CLOSED,this.disconnect_(),this.value_=void 0,this.callback_=void 0,this.target_=void 0)},deliver:function(){this.state_==OPENED&&dirtyCheck(this)},report_:function(a){try{this.callback_.apply(this.target_,a)}catch(b){Observer._errorThrownDuringCallback=!0,console.error("Exception caught during observer callback: "+(b.stack||b))}},discardChanges:function(){return this.check_(void 0,!0),this.value_}};var collectObservers=!hasObserve,allObservers;Observer._allObserversCount=0,collectObservers&&(allObservers=[]);var runningMicrotaskCheckpoint=!1,hasDebugForceFullDelivery=hasObserve&&function(){try{return eval("%RunMicrotasks()"),!0}catch(ex){return!1}}();global.Platform=global.Platform||{},global.Platform.performMicrotaskCheckpoint=function(){if(!runningMicrotaskCheckpoint){if(hasDebugForceFullDelivery)return void eval("%RunMicrotasks()");if(collectObservers){runningMicrotaskCheckpoint=!0;var cycles=0,anyChanged,toCheck;do{cycles++,toCheck=allObservers,allObservers=[],anyChanged=!1;for(var i=0;i<toCheck.length;i++){var observer=toCheck[i];observer.state_==OPENED&&(observer.check_()&&(anyChanged=!0),allObservers.push(observer))}runEOMTasks()&&(anyChanged=!0)}while(MAX_DIRTY_CHECK_CYCLES>cycles&&anyChanged);global.testingExposeCycleCount&&(global.dirtyCheckCycleCount=cycles),runningMicrotaskCheckpoint=!1}}},collectObservers&&(global.Platform.clearObservers=function(){allObservers=[]}),ObjectObserver.prototype=createObject({__proto__:Observer.prototype,arrayObserve:!1,connect_:function(){hasObserve?this.directObserver_=getObservedObject(this,this.value_,this.arrayObserve):this.oldObject_=this.copyObject(this.value_)},copyObject:function(a){var b=Array.isArray(a)?[]:{};for(var c in a)b[c]=a[c];return Array.isArray(a)&&(b.length=a.length),b},check_:function(a){var b,c;if(hasObserve){if(!a)return!1;c={},b=diffObjectFromChangeRecords(this.value_,a,c)}else c=this.oldObject_,b=diffObjectFromOldObject(this.value_,this.oldObject_);return diffIsEmpty(b)?!1:(hasObserve||(this.oldObject_=this.copyObject(this.value_)),this.report_([b.added||{},b.removed||{},b.changed||{},function(a){return c[a]}]),!0)},disconnect_:function(){hasObserve?(this.directObserver_.close(),this.directObserver_=void 0):this.oldObject_=void 0},deliver:function(){this.state_==OPENED&&(hasObserve?this.directObserver_.deliver(!1):dirtyCheck(this))},discardChanges:function(){return this.directObserver_?this.directObserver_.deliver(!0):this.oldObject_=this.copyObject(this.value_),this.value_}}),ArrayObserver.prototype=createObject({__proto__:ObjectObserver.prototype,arrayObserve:!0,copyObject:function(a){return a.slice()},check_:function(a){var b;if(hasObserve){if(!a)return!1;b=projectArraySplices(this.value_,a)}else b=calcSplices(this.value_,0,this.value_.length,this.oldObject_,0,this.oldObject_.length);return b&&b.length?(hasObserve||(this.oldObject_=this.copyObject(this.value_)),this.report_([b]),!0):!1}}),ArrayObserver.applySplices=function(a,b,c){c.forEach(function(c){for(var d=[c.index,c.removed.length],e=c.index;e<c.index+c.addedCount;)d.push(b[e]),e++;Array.prototype.splice.apply(a,d)})},PathObserver.prototype=createObject({__proto__:Observer.prototype,connect_:function(){hasObserve&&(this.directObserver_=getObservedSet(this,this.object_)),this.check_(void 0,!0)},disconnect_:function(){this.value_=void 0,this.directObserver_&&(this.directObserver_.close(this),this.directObserver_=void 0)},iterateObjects_:function(a){this.path_.iterateObjects(this.object_,a)},check_:function(a,b){var c=this.value_;return this.value_=this.path_.getValueFrom(this.object_),b||areSameValue(this.value_,c)?!1:(this.report_([this.value_,c]),!0)},setValue:function(a){this.path_&&this.path_.setValueFrom(this.object_,a)}});var observerSentinel={};CompoundObserver.prototype=createObject({__proto__:Observer.prototype,connect_:function(){if(this.check_(void 0,!0),hasObserve){for(var a,b=!1,c=0;c<this.observed_.length;c+=2)if(a=this.observed_[c],a!==observerSentinel){b=!0;break}return this.directObserver_?b?void this.directObserver_.reset():(this.directObserver_.close(),void(this.directObserver_=void 0)):void(b&&(this.directObserver_=getObservedSet(this,a)))}},closeObservers_:function(){for(var a=0;a<this.observed_.length;a+=2)this.observed_[a]===observerSentinel&&this.observed_[a+1].close();this.observed_.length=0},disconnect_:function(){this.value_=void 0,this.directObserver_&&(this.directObserver_.close(this),this.directObserver_=void 0),this.closeObservers_()},addPath:function(a,b){if(this.state_!=UNOPENED&&this.state_!=RESETTING)throw Error("Cannot add paths once started.");this.observed_.push(a,b instanceof Path?b:getPath(b))},addObserver:function(a){if(this.state_!=UNOPENED&&this.state_!=RESETTING)throw Error("Cannot add observers once started.");a.open(this.deliver,this),this.observed_.push(observerSentinel,a)},startReset:function(){if(this.state_!=OPENED)throw Error("Can only reset while open");this.state_=RESETTING,this.closeObservers_()},finishReset:function(){if(this.state_!=RESETTING)throw Error("Can only finishReset after startReset");return this.state_=OPENED,this.connect_(),this.value_},iterateObjects_:function(a){for(var b,c=0;c<this.observed_.length;c+=2)b=this.observed_[c],b!==observerSentinel&&this.observed_[c+1].iterateObjects(b,a)},check_:function(a,b){for(var c,d=0;d<this.observed_.length;d+=2){var e=this.observed_[d+1],f=this.observed_[d],g=f===observerSentinel?e.discardChanges():e.getValueFrom(f);b?this.value_[d/2]=g:areSameValue(g,this.value_[d/2])||(c=c||[],c[d/2]=this.value_[d/2],this.value_[d/2]=g)}return c?(this.report_([this.value_,c,this.observed_]),!0):!1}}),ObserverTransform.prototype={open:function(a,b){return this.callback_=a,this.target_=b,this.value_=this.getValueFn_(this.observable_.open(this.observedCallback_,this)),this.value_},observedCallback_:function(a){if(a=this.getValueFn_(a),!areSameValue(a,this.value_)){var b=this.value_;this.value_=a,this.callback_.call(this.target_,this.value_,b)}},discardChanges:function(){return this.value_=this.getValueFn_(this.observable_.discardChanges()),this.value_},deliver:function(){return this.observable_.deliver()},setValue:function(a){return a=this.setValueFn_(a),!this.dontPassThroughSet_&&this.observable_.setValue?this.observable_.setValue(a):void 0},close:function(){this.observable_&&this.observable_.close(),this.callback_=void 0,this.target_=void 0,this.observable_=void 0,this.value_=void 0,this.getValueFn_=void 0,this.setValueFn_=void 0}};var expectedRecordTypes={add:!0,update:!0,"delete":!0};Observer.defineComputedProperty=function(a,b,c){var d=notifyFunction(a,b),e=c.open(function(a,b){e=a,d&&d("update",b)});return 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    this.recentTouchMoves_.push(e);

    var oldestTouchMove = this.recentTouchMoves_[0];

    var deltaX = e.changedTouches[0].clientX - oldestTouchMove.changedTouches[0].clientX;
    var deltaY = e.changedTouches[0].clientY - oldestTouchMove.changedTouches[0].clientY;
    var deltaT = e.timeStamp - oldestTouchMove.timeStamp;

    if (deltaT > 0) {
        this.velocityX = deltaX / deltaT;
        this.velocityY = deltaY / deltaT;
    } else {
        this.velocityX = 0;
        this.velocityY = 0;
    }
};

VelocityTracker.prototype.onTouchStart = function(e) {
    this.recentTouchMoves_.push(e);
    this.velocityX = 0;
    this.velocityY = 0;
};

VelocityTracker.prototype.onTouchMove = function(e) {
    this.update_(e);
};

VelocityTracker.prototype.onTouchEnd = function(e) {
    this.update_(e);
    this.recentTouchMoves_ = [];
};

function LinearTimingFunction() {
};

LinearTimingFunction.prototype.scaleTime = function(fraction) {
  return fraction;
};

function CubicBezierTimingFunction(spec) {
  this.map = [];
  for (var ii = 0; ii <= 100; ii += 1) {
    var i = ii / 100;
    this.map.push([
      3 * i * (1 - i) * (1 - i) * spec[0] +
          3 * i * i * (1 - i) * spec[2] + i * i * i,
      3 * i * (1 - i) * (1 - i) * spec[1] +
          3 * i * i * (1 - i) * spec[3] + i * i * i
    ]);
  }
};

CubicBezierTimingFunction.prototype.scaleTime = function(fraction) {
  var fst = 0;
  while (fst !== 100 && fraction > this.map[fst][0]) {
    fst += 1;
  }
  if (fraction === this.map[fst][0] || fst === 0) {
    return this.map[fst][1];
  }
  var yDiff = this.map[fst][1] - this.map[fst - 1][1];
  var xDiff = this.map[fst][0] - this.map[fst - 1][0];
  var p = (fraction - this.map[fst - 1][0]) / xDiff;
  return this.map[fst - 1][1] + p * yDiff;
};

var presetTimingFunctions = {
  'linear': new LinearTimingFunction(),
  'ease': new CubicBezierTimingFunction([0.25, 0.1, 0.25, 1.0]),
  'ease-in': new CubicBezierTimingFunction([0.42, 0, 1.0, 1.0]),
  'ease-out': new CubicBezierTimingFunction([0, 0, 0.58, 1.0]),
  'ease-in-out': new CubicBezierTimingFunction([0.42, 0, 0.58, 1.0]),
};

function DrawerController(options) {
    this.velocityTracker = new VelocityTracker();
    this.animator = new Animator(this);

    this.target = options.target;
    this.left = options.left;
    this.right = options.right;
    this.position = options.position;

    this.width = this.right - this.left;
    this.curve = presetTimingFunctions[options.curve || 'linear'];

    this.willOpenCallback = options.willOpen;
    this.didCloseCallback = options.didClose;
    this.animateCallback = options.onAnimate;

    this.state = DrawerController.kClosed;

    this.defaultAnimationSpeed = (this.right - this.left) / DrawerController.kBaseSettleDurationMS;

    this.onTouchMove = this.onTouchMove.bind(this);
    this.onTouchEnd = this.onTouchEnd.bind(this);

    this.target.addEventListener('touchstart', this.onTouchStart.bind(this));
}

DrawerController.kOpened = 'opened';
DrawerController.kClosed = 'closed';
DrawerController.kOpening = 'opening';
DrawerController.kClosing = 'closing';
DrawerController.kDragging = 'dragging';
DrawerController.kFlinging = 'flinging';

DrawerController.kBaseSettleDurationMS = 246;
DrawerController.kMaxSettleDurationMS = 600;

DrawerController.kMinFlingVelocity = 0.4;  // Matches Android framework.
DrawerController.kTouchSlop = 5;  // Matches Android framework.
DrawerController.kTouchSlopSquare = DrawerController.kTouchSlop * DrawerController.kTouchSlop;

DrawerController.prototype.restrictToCurrent = function(offset) {
    return Math.max(this.left, Math.min(this.position, offset));
};

DrawerController.prototype.restrictToBounds = function(offset) {
    return Math.max(this.left, Math.min(this.right, offset));
};

DrawerController.prototype.onTouchStart = function(e) {
    this.velocityTracker.onTouchStart(e);

    var touchX = e.changedTouches[0].clientX;
    var touchY = e.changedTouches[0].clientY;

    if (this.state != DrawerController.kOpened) {
        if (touchX != this.restrictToCurrent(touchX))
            return;
        this.state = DrawerController.kDragging;
    }

    this.animator.stopAnimation();
    this.target.addEventListener('touchmove', this.onTouchMove);
    this.target.addEventListener('touchend', this.onTouchEnd);
    // TODO(abarth): Handle touchcancel.

    this.startX = touchX;
    this.startY = touchY;
    this.startPosition = this.position;
    this.touchBaseX = Math.min(touchX, this.startPosition);
};

DrawerController.prototype.onTouchMove = function(e) {
    this.velocityTracker.onTouchMove(e);

    if (this.state == DrawerController.kOpened) {
        var deltaX = e.changedTouches[0].clientX - this.startX;
        var deltaY = e.changedTouches[0].clientY - this.startY;

        if (deltaX * deltaX + deltaY * deltaY < DrawerController.kTouchSlopSquare) {
            e.preventDefault();
            return;
        }

        if (Math.abs(deltaY) > Math.abs(deltaX)) {
            this.target.removeEventListener('touchmove', this.onTouchMove);
            this.target.removeEventListener('touchend', this.onTouchEnd);
            return;
        }

        this.state = DrawerController.kDragging;
    }

    e.preventDefault();
    var touchDeltaX = e.changedTouches[0].clientX - this.touchBaseX;
    this.position = this.restrictToBounds(this.startPosition + touchDeltaX);
    this.animator.scheduleAnimation();
};

DrawerController.prototype.onTouchEnd = function(e) {
    this.velocityTracker.onTouchEnd(e);
    this.target.removeEventListener('touchmove', this.onTouchMove);
    this.target.removeEventListener('touchend', this.onTouchEnd);

    var velocityX = this.velocityTracker.velocityX;
    if (Math.abs(velocityX) > DrawerController.kMinFlingVelocity) {
        this.fling(velocityX);
    } else if (this.isOpen()) {
        this.open();
    } else {
        this.close();
    }
};

DrawerController.prototype.openFraction = function() {
    var width = this.right - this.left;
    var offset = this.position - this.left;
    return offset / width;
};

DrawerController.prototype.isOpen = function() {
    return this.openFraction() >= 0.5;
};

DrawerController.prototype.isOpening = function() {
    return this.state == DrawerController.kOpening ||
        (this.state == DrawerController.kFlinging && this.animationVelocityX > 0);
}

DrawerController.prototype.isClosing = function() {
    return this.state == DrawerController.kClosing ||
        (this.state == DrawerController.kFlinging && this.animationVelocityX < 0);
}

DrawerController.prototype.toggle = function() {
    if (this.isOpen())
        this.close();
    else
        this.open();
};

DrawerController.prototype.open = function() {
    if (!this.position)
        this.willOpenCallback.call(this.target);

    this.animator.stopAnimation();
    this.animationDuration = 400;
    this.state = DrawerController.kOpening;
    this.animate();
};

DrawerController.prototype.close = function() {
    this.animator.stopAnimation();
    this.animationDuration = 400;
    this.state = DrawerController.kClosing;
    this.animate();
};

DrawerController.prototype.fling = function(velocityX) {
    this.animator.stopAnimation();
    this.animationVelocityX = velocityX;
    this.state = DrawerController.kFlinging;
    this.animate();
};

DrawerController.prototype.animate = function() {
    this.positionAnimationBase = this.position;
    this.animator.startAnimation();
};

DrawerController.prototype.targetPosition = function(deltaT) {
    if (this.state == DrawerController.kFlinging)
        return this.positionAnimationBase + this.animationVelocityX * deltaT;
    var targetFraction = this.curve.scaleTime(deltaT / this.animationDuration);
    var animationWidth = this.state == DrawerController.kOpening ?
      this.width - this.positionAnimationBase : -this.positionAnimationBase;
    return this.positionAnimationBase + targetFraction * animationWidth;
};

DrawerController.prototype.onAnimation = function(timeStamp) {
    if (this.state == DrawerController.kDragging) {
        this.animateCallback.call(this.target, this.position);
        return false;
    }

    var deltaT = timeStamp - this.animator.startTimeStamp;
    var targetPosition = this.targetPosition(deltaT);
    this.position = this.restrictToBounds(targetPosition);

    this.animateCallback.call(this.target, this.position);

    if (targetPosition <= this.left && this.isClosing()) {
        this.state = DrawerController.kClosed;
        this.didCloseCallback.call(this.target);
        return false;
    }
    if (targetPosition >= this.right && this.isOpening()) {
        this.state = DrawerController.kOpened;
        return false;
    }

    return true;
};


function DismissController(options) {
    this.velocityTracker = new VelocityTracker();
    this.animator = new Animator(this);

    this.target = options.target;
    this.moveCallback = options.onMove;
    this.dismissCallback = options.onDismiss;
    this.curve = presetTimingFunctions[options.curve || 'linear'];

    this.position = 0;
    this.width = 0;
    this.state = DismissController.kInitial;

    this.target.addEventListener('touchstart', this.onTouchStart.bind(this));
    this.target.addEventListener('touchmove', this.onTouchMove.bind(this));
    this.target.addEventListener('touchend', this.onTouchEnd.bind(this));
    // TODO(abarth): Handle touchcancel.
}

DismissController.kInitial = 'initial';
DismissController.kDragging = 'dragging';
DismissController.kSettling = 'settling';
DismissController.kFlinging = 'flinging';
DismissController.kDismissed = 'dismissed';

DismissController.prototype.onTouchStart = function(e) {
    this.velocityTracker.onTouchStart(e);

    this.state = DismissController.kInitial;
    this.animator.stopAnimation();

    this.startX = e.changedTouches[0].clientX;
    this.startY = e.changedTouches[0].clientY;
    this.startPosition = this.position;
};

DismissController.prototype.onTouchMove = function(e) {
    this.velocityTracker.onTouchMove(e);

    if (this.state == DismissController.kInitial) {
        var deltaX = e.changedTouches[0].clientX - this.startX;
        var deltaY = e.changedTouches[0].clientY - this.startY;

        if (deltaX * deltaX + deltaY * deltaY < DrawerController.kTouchSlopSquare) {
            e.preventDefault();
            return;
        }

        if (Math.abs(deltaY) > Math.abs(deltaX)) {
            this.settleToClosestPosition();
            return;
        }

        this.state = DismissController.kDragging;
        this.width = this.target.offsetWidth;
    }

    if (this.state == DismissController.kDragging) {
        e.preventDefault();
        var deltaX = e.changedTouches[0].clientX - this.startX;
        this.position = this.startPosition + deltaX;
        this.animator.scheduleAnimation();
    }
};

DismissController.prototype.onTouchEnd = function(e) {
    this.velocityTracker.onTouchEnd(e);

    if (this.state == DismissController.kDragging) {
        var velocityX = this.velocityTracker.velocityX;
        if (Math.abs(velocityX) > DrawerController.kMinFlingVelocity) {
            this.fling(velocityX);
            return;
        }
        this.settleToClosestPosition();
    }
};

DismissController.prototype.settleToClosestPosition = function() {
    var fraction = this.position / this.width;
    if (fraction > 0.5)
        this.settle(this.width);
    else if (fraction < -0.5)
        this.settle(-this.width);
    else
        this.settle(0)
};

DismissController.prototype.fling = function(velocityX) {
    this.animator.stopAnimation();
    this.animationVelocityX = velocityX;
    this.basePosition = this.position;
    this.state = DismissController.kFlinging;
    this.targetPosition = velocityX < 0 ? -this.width : this.width;
    this.animator.startAnimation();
};

DismissController.prototype.settle = function(targetPosition) {
    this.animator.stopAnimation();
    this.animationDuration = DrawerController.kBaseSettleDurationMS;
    this.state = DismissController.kSettling;
    this.basePosition = this.position;
    this.targetPosition = targetPosition;
    this.animator.startAnimation();
};

DismissController.prototype.computeTargetPosition = function(deltaT) {
    var approximateTargetPosition = 0;
    var movingLeftward = false;

    if (this.state == DismissController.kSettling) {
        var targetFraction = this.curve.scaleTime(deltaT / this.animationDuration);
        var animationWidth = this.targetPosition - this.basePosition;
        approximateTargetPosition = this.basePosition + targetFraction * animationWidth;
        movingLeftward = animationWidth < 0;
    } else if (this.state == DismissController.kFlinging) {
        approximateTargetPosition = this.basePosition + this.animationVelocityX * deltaT;
        movingLeftward = this.animationVelocityX < 0;
    }

    var lowerBound = -this.width;
    var upperBound = this.width;
    if (movingLeftward && this.targetPosition == 0)
        lowerBound = 0;
    else if (!movingLeftward && this.targetPosition == 0)
        upperBound = 0;

    return Math.max(lowerBound, Math.min(upperBound, approximateTargetPosition));
};

DismissController.prototype.onAnimation = function(timeStamp) {
    if (this.state == DismissController.kDragging) {
        this.moveCallback.call(this.target, this.position);
        return false;
    }

    var deltaT = timeStamp - this.animator.startTimeStamp;

    this.position = this.computeTargetPosition(deltaT);
    this.moveCallback.call(this.target, this.position);

    if (this.position != this.targetPosition)
        return true;

    if (this.targetPosition == 0) {
        this.state = DismissController.kInitial;
        return false;
    }

    this.state = DismissController.kDismissed;
    this.dismissCallback.call(this.target, this.targetPosition < 0 ? 'left' : 'right');
    return false;
};

function ScrollAreaToolbarController(options) {
    this.animator = new Animator(this);

    this.moveCallback = options.onMove;
    this.target = options.target;
    this.scrollArea = options.scrollArea;

    this.scrollArea.addEventListener("scroll", this.onScroll.bind(this));
    this.scrollBase = 0;
    this.previousScrollTop = 0;
};

ScrollAreaToolbarController.prototype.restrictToBounds = function(position) {
    return Math.min(Math.max(position, 0), this.height);
};

ScrollAreaToolbarController.prototype.onScroll = function(e) {
    if (!this.height)
        this.height = this.target.offsetHeight;

    var scrollTop = this.scrollArea.scrollTop;
    var scrollDelta = scrollTop - this.scrollBase;
    var scrollDeltaFromPrevious = scrollTop - this.previousScrollTop;
    this.previousScrollTop = scrollTop;
    this.position = this.restrictToBounds(scrollDelta, 0);

    if (sign(scrollDelta) != sign(scrollDeltaFromPrevious))
        this.scrollBase = scrollTop - this.position;

    this.animator.scheduleAnimation();
};

ScrollAreaToolbarController.prototype.onAnimation = function(timeStamp) {
    this.moveCallback.call(this.target, this.position);
    return false;
};

exports.DrawerController = DrawerController;
exports.DismissController = DismissController;
exports.ScrollAreaToolbarController = ScrollAreaToolbarController;

})(window);
</script>
<style>
html {
  height: 100%;
}
body {
  display: block;
  height: 100%;
  margin: 0;
  background-color: red;
}
</style>
<polymer-element name="app-frame" assetpath="/">
  <template>
    <style>
      :host {
        display: flex;
        flex-direction: column;
        background-color: white;
        height: 100%;
        position: relative;
        overflow: hidden;
      }
    </style>
    <content></content>
  </template>
  <script>
    Polymer('app-frame', {
    });
  </script>
</polymer-element>
<polymer-element name="app-column" assetpath="/">
  <template>
    <style>
      :host {
        position: relative;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        flex: 1;
        flex-shrink: 0;
      }
      :host([scrollable]) {
        overflow-y: auto;
      }
    </style>
    <content></content>
  </template>
  <script>
    Polymer('app-column', {
    });
  </script>
</polymer-element>
<polymer-element name="app-drawer" attributes="active" assetpath="/">
  <template>
    <style>
      #content {
        display: none;
        position: absolute;
        top: 0;
        left: 0;
        width: 300px;
        bottom: 0;
        background-color: white;
        -webkit-transform: translate3d(0,0,0);
        overflow-y: scroll;
      }
      #mask {
        display: none;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: black;
        -webkit-transform: translate3d(0,0,0);
      }
    </style>
    <div id="mask" on-tap="{{ toggle }}"></div>
    <div id="content">
      <content></content>
    </div>
  </template>
  <script>
    Polymer('app-drawer', {
      active: false,
      toggle: function() {
        this.controller.toggle();
      },
      enteredView: function() {
        var content = this.$.content;
        var mask = this.$.mask;
        this.controller = new DrawerController({
            target: this,
            left: 0,
            right: 300,
            position: 0,
            curve: 'ease-in-out',
            willOpen: function() {
                mask.style.display = 'block';
                content.style.display = 'block';
                this.active = true;
            },
            didClose: function() {
                mask.style.display = 'none';
                content.style.display = 'none';
                this.active = false;
            },
            onAnimate: function(position) {
                // FIXME: We should animate the opacity from zero, but that triggers http://crbug.com/328106
                mask.style.opacity = ((position + 1) / 300) * 0.2;
                content.style.WebkitTransform = 'translate3d(' + (position - 300) + 'px,0,0)';
            },
        });
      },
    });
  </script>
</polymer-element>
<polymer-element name="app-dismissable-item" assetpath="/">
  <template>
    <style>
      :host {
        display: block;
        -webkit-transform: translate3d(0,0,0);
        flex-shrink: 0;
      }
    </style>
    <content></content>
  </template>
  <script>
    Polymer('app-dismissable-item', {
      enteredView: function() {
        this.controller = new DismissController({
            target: this,
            curve: 'ease-in-out',
            onMove: function(position) {
              var width = this.offsetWidth;
              this.style.opacity = (width - Math.abs(position)) / width;
              this.style.WebkitTransform = 'translate3d(' + position + 'px,0,0)';
            },
            onDismiss: function(direction) {
              this.remove();
            },
        });
      },
    });
  </script>
</polymer-element>
<polymer-element name="app-scrollarea-toolbar" attributes="location for" assetpath="/">
  <template>
    <style>
      :host {
        display: block;
        position: absolute;
        left: 0;
        right: 0;
        -webkit-transform: translate3d(0,0,0);
        flex-shrink: 0;
      }
    </style>
    <content></content>
  </template>
  <script>
    function findParentTreeScope(node) {
      while(node.parentNode)
        node = node.parentNode;
      return node;
    }

    Polymer('app-scrollarea-toolbar', {
      'for': null,
      location: 'top',
      enteredView: function() {
        if (this.location == 'top')
          this.style.top = 0;
        else
          this.style.bottom = 0;

        var scrollArea = findParentTreeScope(this).getElementById(this['for']);

        this.controller = new ScrollAreaToolbarController({
          target: this,
          scrollArea: scrollArea,
          onMove: function(position) {
            var translateY = this.location == 'top' ? -position : position;
            this.style.WebkitTransform = 'translate3d(0,' + translateY +'px,0)';
          },
        });
      },
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<!--
/**
 * @module Polymer Elements
 */
-->
<!--
/**
 * The polymer-selection element is used to manage selection state. It has no
 * visual appearance and is typically used in conjuneciton with another element.
 * For example, <a href="polymer-selector.html">polymer-selector</a>
 * use a polymer-selection to manage selection.
 *
 * To mark an item as selected, call the select(item) method on 
 * polymer-selection. Notice that the item itself is an argument to this method.
 * The polymer-selection element manages selection state for any given set of
 * items. When an item is selected, the `polymer-select` event is fired.
 * The attribute "multi" indicates if multiple items can be selected at once.
 * 
 * Example:
 *
 *     <polymer-element name="selection-example">
 *        <template>
 *          <style>
 *            ::-webkit-distributed(> .selected) {
 *              font-weight: bold;
 *              font-style: italic;
 *            }
 *          </style>
 *          <ul on-tap="{{itemTapAction}}">
 *            <content></content>
 *          </ul>
 *          <polymer-selection id="selection" multi on-polymer-select="{{selectAction}}"></polymer-selection>
 *        </template>
 *        <script>
 *          Polymer('selection-example', {
 *            itemTapAction: function(e) {
 *              this.$.selection.select(e.target);
 *            },
 *            selectAction: function(e, detail) {
 *              detail.item.classList.toggle('selected', detail.isSelected);
 *            }
 *          });
 *        </script>
 *     </polymer-element>
 *
 *     <selection-example>
 *       <li>Red</li>
 *       <li>Green</li>
 *       <li>Blue</li>
 *     </selection-example>
 *
 * @class polymer-selection
 */
 /**
 * Fired when an item's selection state is changed. This event is fired both
 * when an item is selected or deselected. The `isSelected` detail property
 * contains the selection state.
 * 
 * @event polymer-select
 * @param {Object} detail
 *   @param {boolean} detail.isSelected true for selection and false for deselection
 *   @param {Object} detail.item the item element
 */
-->


<polymer-element name="polymer-selection" attributes="multi" assetpath="bower_components/polymer-selection/">
  <template>
    <style>
      :host {
        display: none !important;
      }
    </style>
  </template>
  <script>
    Polymer('polymer-selection', {
      /**
       * If true, multiple selections are allowed.
       *
       * @attribute multi
       * @type boolean
       * @default false
       */
      multi: false,
      ready: function() {
        this.clear();
      },
      clear: function() {
        this.selection = [];
      },
      /**
       * Retrieves the selected item(s).
       * @method getSelection
       * @returns Returns the selected item(s). If the multi property is true,
       * getSelection will return an array, otherwise it will return 
       * the selected item or undefined if there is no selection.
      */
      getSelection: function() {
        return this.multi ? this.selection : this.selection[0];
      },
      /**
       * Indicates if a given item is selected.
       * @method isSelected
       * @param {any} item The item whose selection state should be checked.
       * @returns Returns true if `item` is selected.
      */
      isSelected: function(item) {
        return this.selection.indexOf(item) >= 0;
      },
      setItemSelected: function(item, isSelected) {
        if (item !== undefined && item !== null) {
          if (isSelected) {
            this.selection.push(item);
          } else {
            var i = this.selection.indexOf(item);
            if (i >= 0) {
              this.selection.splice(i, 1);
            }
          }
          this.fire("polymer-select", {isSelected: isSelected, item: item});
        }
      },
      /**
       * Set the selection state for a given `item`. If the multi property
       * is true, then the selected state of `item` will be toggled; otherwise
       * the `item` will be selected.
       * @method select
       * @param {any} item: The item to select.
      */
      select: function(item) {
        if (this.multi) {
          this.toggle(item);
        } else if (this.getSelection() !== item) {
          this.setItemSelected(this.getSelection(), false);
          this.setItemSelected(item, true);
        }
      },
      /**
       * Toggles the selection state for `item`.
       * @method toggle
       * @param {any} item: The item to toggle.
      */
      toggle: function(item) {
        this.setItemSelected(item, !this.isSelected(item));
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<!--
/**
 * @module Polymer Elements
 */
/**
 * polymer-selector is used to manage a list of elements that can be selected.
 * The attribute "selected" indicates which item element is being selected.
 * The attribute "multi" indicates if multiple items can be selected at once.
 * Tapping on the item element would fire "polymer-activate" event. Use
 * "polymer-select" event to listen for selection changes.
 *
 * Example:
 *
 *     <polymer-selector selected="0">
 *       <div>Item 1</div>
 *       <div>Item 2</div>
 *       <div>Item 3</div>
 *     </polymer-selector>
 *
 * polymer-selector is not styled.  So one needs to use "polymer-selected" CSS
 * class to style the selected element.
 * 
 *     <style>
 *       .item.polymer-selected {
 *         background: #eee;
 *       }
 *     </style>
 *     ...
 *     <polymer-selector>
 *       <div class="item">Item 1</div>
 *       <div class="item">Item 2</div>
 *       <div class="item">Item 3</div>
 *     </polymer-selector>
 *
 * @class polymer-selector
 */
/**
 * Fired when an item's selection state is changed. This event is fired both
 * when an item is selected or deselected. The `isSelected` detail property
 * contains the selection state.
 * 
 * @event polymer-select
 * @param {Object} detail
 *   @param {boolean} detail.isSelected true for selection and false for deselection
 *   @param {Object} detail.item the item element
 */
/**
 * Fired when an item element is tapped.
 * 
 * @event polymer-activate
 * @param {Object} detail
 *   @param {Object} detail.item the item element
 */
-->



<polymer-element name="polymer-selector" attributes="selected multi valueattr selectedClass selectedProperty selectedItem selectedModel selectedIndex notap target itemsSelector activateEvent" assetpath="bower_components/polymer-selector/">
  <template>
    <polymer-selection id="selection" multi="{{multi}}" on-polymer-select="{{selectionSelect}}"></polymer-selection>
    <content id="items" select="*"></content>
  </template>
  <script>
    Polymer('polymer-selector', {
      /**
       * Gets or sets the selected element.  Default to use the index
       * of the item element.
       *
       * If you want a specific attribute value of the element to be
       * used instead of index, set "valueattr" to that attribute name.
       *
       * Example:
       *
       *     <polymer-selector valueattr="label" selected="foo">
       *       <div label="foo"></div>
       *       <div label="bar"></div>
       *       <div label="zot"></div>
       *     </polymer-selector>
       *
       * In multi-selection this should be an array of values.
       *
       * Example:
       *
       *     <polymer-selector id="selector" valueattr="label" multi>
       *       <div label="foo"></div>
       *       <div label="bar"></div>
       *       <div label="zot"></div>
       *     </polymer-selector>
       *
       *     this.$.selector.selected = ['foo', 'zot'];
       *
       * @attribute selected
       * @type Object
       * @default null
       */
      selected: null,
      /**
       * If true, multiple selections are allowed.
       *
       * @attribute multi
       * @type boolean
       * @default false
       */
      multi: false,
      /**
       * Specifies the attribute to be used for "selected" attribute.
       *
       * @attribute valueattr
       * @type string
       * @default 'name'
       */
      valueattr: 'name',
      /**
       * Specifies the CSS class to be used to add to the selected element.
       * 
       * @attribute selectedClass
       * @type string
       * @default 'polymer-selected'
       */
      selectedClass: 'polymer-selected',
      /**
       * Specifies the property to be used to set on the selected element
       * to indicate its active state.
       *
       * @attribute selectedProperty
       * @type string
       * @default 'active'
       */
      selectedProperty: 'active',
      /**
       * Returns the currently selected element. In multi-selection this returns
       * an array of selected elements.
       * 
       * @attribute selectedItem
       * @type Object
       * @default null
       */
      selectedItem: null,
      /**
       * In single selection, this returns the model associated with the
       * selected element.
       * 
       * @attribute selectedModel
       * @type Object
       * @default null
       */
      selectedModel: null,
      /**
       * In single selection, this returns the selected index.
       *
       * @attribute selectedIndex
       * @type number
       * @default -1
       */
      selectedIndex: -1,
      /**
       * The target element that contains items.  If this is not set 
       * polymer-selector is the container.
       * 
       * @attribute target
       * @type Object
       * @default null
       */
      target: null,
      /**
       * This can be used to query nodes from the target node to be used for 
       * selection items.  Note this only works if the 'target' property is set.
       *
       * Example:
       *
       *     <polymer-selector target="{{$.myForm}}" itemsSelector="input[type=radio]"></polymer-selector>
       *     <form id="myForm">
       *       <label><input type="radio" name="color" value="red"> Red</label> <br>
       *       <label><input type="radio" name="color" value="green"> Green</label> <br>
       *       <label><input type="radio" name="color" value="blue"> Blue</label> <br>
       *       <p>color = {{color}}</p>
       *     </form>
       * 
       * @attribute itemSelector
       * @type string
       * @default ''
       */
      itemsSelector: '',
      /**
       * The event that would be fired from the item element to indicate
       * it is being selected.
       *
       * @attribute activateEvent
       * @type string
       * @default 'tap'
       */
      activateEvent: 'tap',
      notap: false,
      ready: function() {
        this.activateListener = this.activateHandler.bind(this);
        this.observer = new MutationObserver(this.updateSelected.bind(this));
        if (!this.target) {
          this.target = this;
        }
      },
      get items() {
        var nodes = this.target !== this ? (this.itemsSelector ? 
            this.target.querySelectorAll(this.itemsSelector) : 
                this.target.children) : this.$.items.getDistributedNodes();
        return Array.prototype.filter.call(nodes || [], function(n) {
          return n && n.localName !== 'template';
        });
      },
      targetChanged: function(old) {
        if (old) {
          this.removeListener(old);
          this.observer.disconnect();
        }
        if (this.target) {
          this.addListener(this.target);
          this.observer.observe(this.target, {childList: true});
        }
      },
      addListener: function(node) {
        node.addEventListener(this.activateEvent, this.activateListener);
      },
      removeListener: function(node) {
        node.removeEventListener(this.activateEvent, this.activateListener);
      },
      get selection() {
        return this.$.selection.getSelection();
      },
      selectedChanged: function() {
        this.updateSelected();
      },
      updateSelected: function() {
        this.validateSelected();
        if (this.multi) {
          this.clearSelection();
          this.selected && this.selected.forEach(function(s) {
            this.valueToSelection(s);
          }, this);
        } else {
          this.valueToSelection(this.selected);
        }
      },
      validateSelected: function() {
        // convert to an array for multi-selection
        if (this.multi && !Array.isArray(this.selected) && 
            this.selected !== null && this.selected !== undefined) {
          this.selected = [this.selected];
        }
      },
      clearSelection: function() {
        if (this.multi) {
          this.selection.slice().forEach(function(s) {
            this.$.selection.setItemSelected(s, false);
          }, this);
        } else {
          this.$.selection.setItemSelected(this.selection, false);
        }
        this.selectedItem = null;
        this.$.selection.clear();
      },
      valueToSelection: function(value) {
        var item = (value === null || value === undefined) ? 
            null : this.items[this.valueToIndex(value)];
        this.$.selection.select(item);
      },
      updateSelectedItem: function() {
        this.selectedItem = this.selection;
      },
      selectedItemChanged: function() {
        if (this.selectedItem) {
          var t = this.selectedItem.templateInstance;
          this.selectedModel = t ? t.model : undefined;
        } else {
          this.selectedModel = null;
        }
        this.selectedIndex = this.selectedItem ? 
            parseInt(this.valueToIndex(this.selected)) : -1;
      },
      valueToIndex: function(value) {
        // find an item with value == value and return it's index
        for (var i=0, items=this.items, c; (c=items[i]); i++) {
          if (this.valueForNode(c) == value) {
            return i;
          }
        }
        // if no item found, the value itself is probably the index
        return value;
      },
      valueForNode: function(node) {
        return node[this.valueattr] || node.getAttribute(this.valueattr);
      },
      // events fired from <polymer-selection> object
      selectionSelect: function(e, detail) {
        this.updateSelectedItem();
        if (detail.item) {
          this.applySelection(detail.item, detail.isSelected)
        }
      },
      applySelection: function(item, isSelected) {
        if (this.selectedClass) {
          item.classList.toggle(this.selectedClass, isSelected);
        }
        if (this.selectedProperty) {
          item[this.selectedProperty] = isSelected;
        }
      },
      // event fired from host
      activateHandler: function(e) {
        if (!this.notap) {
          var i = this.findDistributedTarget(e.target, this.items);
          if (i >= 0) {
            var item = this.items[i];
            var s = this.valueForNode(item) || i;
            if (this.multi) {
              if (this.selected) {
                this.addRemoveSelected(s);
              } else {
                this.selected = [s];
              }
            } else {
              this.selected = s;
            }
            this.asyncFire('polymer-activate', {item: item});
          }
        }
      },
      addRemoveSelected: function(value) {
        var i = this.selected.indexOf(value);
        if (i >= 0) {
          this.selected.splice(i, 1);
        } else {
          this.selected.push(value);
        }
        this.valueToSelection(value);
      },
      findDistributedTarget: function(target, nodes) {
        // find first ancestor of target (including itself) that
        // is in nodes, if any
        while (target && target != this) {
          var i = Array.prototype.indexOf.call(nodes, target);
          if (i >= 0) {
            return i;
          }
          target = target.parentNode;
        }
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->


<polymer-element name="polymer-ui-theme-aware" attributes="theme" assetpath="bower_components/polymer-ui-theme-aware/">
  <script>
    PolymerUI = {
      validateTheme: function() {
        var theme = this.theme;
        var defaultTheme = this.defaultTheme;
        if (!theme) {
          var p = this;
          while (p && !theme) {
            theme = p.getAttribute && p.getAttribute('theme');
            defaultTheme = defaultTheme || p.defaultTheme;
            p = p.parentNode || p.host;
          }
        }
        this.activeTheme = this.theme || theme || defaultTheme;
      }
    };
    Polymer('polymer-ui-theme-aware', {
      defaultTheme: '',
      activeTheme: '',
      validateTheme: PolymerUI.validateTheme,
      enteredView: function() {
        this.validateTheme();
      },
      themeChanged: function() {
        this.activeTheme = this.theme;
      },
      activeThemeChanged: function(old) {
        this.classList.switch(old, this.activeTheme);
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<!--
/**
 * @module Polymer UI Elements
 */
/**
 * polymer-ui-menu is a polymer-selector with theme propagation.  It styles to look like 
 * a menu and should be used in conjunction with polymer-ui-menu-item.
 *
 * Example:
 * 
 *     <polymer-ui-menu selected="0">
 *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
 *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
 *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
 *     </polymer-ui-menu>
 *
 * The "selectedItem" property returns the currently selected item.
 *
 * Example:
 *
 *     <polymer-ui-menu selected="0" selectedItem="{{item}}">
 *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
 *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
 *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
 *     </polymer-ui-menu>
 *
 *     <div>selected label: {{item.label}}</div>
 *
 * The event "polymer-select" can also be used to listen for selection change.
 *
 * Example:
 *
 *     <polymer-ui-menu selected="0" on-polymer-select="{{selectAction}}">
 *       <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
 *       <polymer-ui-menu-item icon="dialog" label="Dialog"></polymer-ui-menu-item>
 *       <polymer-ui-menu-item icon="search" label="Search"></polymer-ui-menu-item>
 *     </polymer-ui-menu>
 *
 *     ...
 *
 *     selectAction: function(e, detail) {
 *       if (detail.isSelected) {
 *         var selectedItem = detail.item;
 *         ...
 *       }
 *     }
 *
 * @class polymer-ui-menu
 * @extends polymer-selector
 */
-->




<polymer-element name="polymer-ui-menu" extends="polymer-selector" attributes="theme" on-polymer-select="{{selectionChange}}" assetpath="bower_components/polymer-ui-menu/">
  <template>
    <style>/*
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
*/

:host {
  /* technical */
  display: block;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  /* size */
  padding: 0.4em;
  font-weight: bold;
}

:host(.polymer-ui-light-theme:host) {
  color: #333333;
}

:host(.polymer-ui-dark-theme:host) {
  background: -webkit-linear-gradient(-60deg, #3d3d3d, #353535);
  background: -moz-linear-gradient(-60deg, #3d3d3d, #353535);
  background: -ms-linear-gradient(-60deg, #3d3d3d, #353535);
  color: #ededed;
}
</style>
    <shadow></shadow>
  </template>
  <script>
    Polymer('polymer-ui-menu', {
      activeTheme: '',
      validateTheme: PolymerUI.validateTheme,
      enteredView: function() {
        this.validateTheme();
      },
      themeChanged: function() {
        this.activeTheme = this.theme;
      },
      activeThemeChanged: function(old) {
        this.classList.switch(old, this.activeTheme);
      },
      selectionChange: function(e, detail) {
        if (detail.isSelected) {
          var i = detail.item;
          // find nested selected item
          while (i.selectedItem) {
            i = i.selectedItem;
          }
          this.selectedItem = i;
        }
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->

<!--
/**
* Polymer UI Elements
*
* @module Polymer UI Elements
*/  
/**
 * polymer-ui-icon is a 24x24 glyph expressed as a background-image.
 *
 * Example:
 *
 *     <polymer-ui-icon src="star.png"></polymer-ui-icon>
 *
 * Optionally can use other size like 32x32 by setting the attribute "size" to "32":
 *
 *     <polymer-ui-icon src="big_star.png" size="32"></polymer-ui-icon>
 *
 * Polymer includes an icon set.  The property "icon" can be used
 * to specify which icon to use.
 *
 * Example:
 *
 *     <polymer-ui-icon icon="menu"></polymer-ui-icon>
 *
 * @class polymer-ui-icon
 */
-->



<polymer-element name="polymer-ui-icon" extends="polymer-ui-theme-aware" attributes="src size index icon" assetpath="bower_components/polymer-ui-icon/">
  <template>
    <style>/*
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
*/

:host {
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
  background-repeat: no-repeat;
}

:host(.polymer-ui-dark-icon:host, .polymer-ui-light-theme:host) {
  background-position: -24px 0;
}

:host(.polymer-ui-light-icon:host, .polymer-ui-dark-theme:host) {
  background-position: -72px 0;
}

:host(.polymer-ui-icons:host) {
  background-image: url(bower_components/polymer-ui-icon/bower_components/polymer-ui-icon/action-icons.png);
}</style>
    <content></content>
  </template>
  <script>
    (function() {
      var icons = [
       'drawer',
       'menu',
       'search',
       'dropdown',
       'close',
       'add',
       'trash',
       'refresh',
       'settings',
       'dialoga',
       'left',
       'right',
       'down',
       'up',
       'grid',
       'contact',
       'account',
       'plus',
       'time',
       'marker',
       'briefcase',
       'array',
       'columns',
       'list',
       'modules',
       'quilt',
       'stream',
       'maximize',
       'shrink',
       'sort',
       'shortcut',
       'dialog',
       'twitter',
       'facebook',
       'favorite',
       'gplus',
       'filter',
       'tag',
       'plusone',
       'dots'
      ];
      var map = {};
      icons.forEach(function(name, i) {
        map[name] = i;
      });
      icons = map;

      Polymer('polymer-ui-icon', {
        /**
         * The URL of an image for the icon.
         *
         * @attribute src
         * @type string
         * @default ''
         */
        src: '',
        /**
         * Specifies the size of the icon.
         *
         * @attribute size
         * @type string
         * @default 24
         */
        size: 24,
        /**
         * Specifies the icon from the Polymer icon set.
         *
         * @attribute icon
         * @type string
         * @default ''
         */
        icon: '',
        bx: 0,
        by: 0,
        icons: icons,
        ready: function() {
          this.sizeChanged();
        },
        sizeChanged: function() {
          this.style.width = this.style.height = this.size + 'px';
        },
        iconChanged: function() {
          this.index = this.icon in icons ? icons[this.icon] : -1;
        },
        indexChanged: function() {
          this.classList.add('polymer-ui-icons');
          this.by = -this.size * this.index;
          this.updateIcon();
        },
        srcChanged: function() {
          this.classList.remove('polymer-ui-icons');
          this.style.backgroundImage = 'url(' + this.src + ')';
          this.updateIcon();
        },
        activeThemeChanged: function(old) {
          this.super(arguments);
          this.style.backgroundPosition = '';
          this.bx = calcThemeOffset(this.activeTheme, this);
          this.updateIcon();
        },
        updateIcon: function() {
          if (this.src) {
            this.style.backgroundPosition = 'center';
            this.style.backgroundSize = this.size + 'px ' + this.size + 'px';
          } else {
            this.style.backgroundPosition = (this.bx + 'px') + ' ' + (this.by + 'px');
          }
        }
      });
      // memoize offset because getComputedStyle is expensive
      var themes = {};
      function calcThemeOffset(theme, node) {
        if (themes[theme] === undefined) {
          var bp = getComputedStyle(node).backgroundPosition.split(' ');
          // support 4 value syntax (https://code.google.com/p/chromium/issues/detail?id=310977)
          var l = bp.length === 4 ? bp[1] : bp[0];
          var offset = parseFloat(l);
          themes[theme] = offset;
        }
        return themes[theme]; 
      }
    })();
  </script>
</polymer-element>

<!--
Copyright 2013 The Toolkitchen Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<!--
/**
 * @module Polymer UI Elements
 */
/**
 * polymer-ui-menu-item is styled to look like a menu item.  It should be used
 * in conjunction with polymer-ui-menu or polymer-ui-sibebar-menu.
 *
 * Example:
 *
 *     <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
 *
 * @class polymer-ui-menu-item
 */
/**
 * The URL of an image for the icon.
 *
 * @attribute src
 * @type string
 * @default ''
 */
/**
 * Specifies the icon from the Polymer icon set.
 *
 * @attribute icon
 * @type string
 * @default ''
 */
/**
 * Specifies the label for the menu item.
 *
 * @attribute label
 * @type string
 * @default ''
 */
/**
 * Specifies the URL of the link it goes to when tapped on.
 *
 * Example:
 *
 *     <polymer-ui-menu-item icon="favorite" label="Favorite" href="http://www.polymer-project.org/"></polymer-ui-menu-item>
 *
 * If you want more control on the link, e.g. specify the target for where to
 * open the linked document, you can put &lt;a> directly inside the menu-item.
 *
 * Example:
 *
 *     <polymer-ui-menu-item icon="favorite" label="Favorite">
 *       <a href="http://www.polymer-project.org/" target="_self"></a>
 *     </polymer-ui-menu-item>
 *
 * @attribute href
 * @type string
 * @default ''
 */
-->




<polymer-element name="polymer-ui-menu-item" extends="polymer-ui-theme-aware" attributes="src label icon item href" assetpath="bower_components/polymer-ui-menu-item/">
  <template>
    <style>/*
Copyright 2013 The Toolkitchen Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
*/

:host { 
  display: block;
  position: relative;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  height: 40px;
  line-height: 35px;
  font-size: 16px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 3px;
  white-space: nowrap;
  cursor: pointer;
  opacity: 0.5;
}

:host(:hover:host) {
  opacity: 0.9;
}

:host(.polymer-selected:host, [active]:host) {
  opacity: 1;
}

:host(.polymer-ui-light-theme.polymer-selected:host, .polymer-ui-light-theme[active]:host) {
  background: #f2f2f2;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

:host(.polymer-ui-dark-theme:host) {
  color: #b3b3b3;
}
	
:host(.polymer-ui-dark-theme:hover:host) {
  color: rgba(255, 255, 255, 0.9);
}

:host(.polymer-ui-dark-theme.polymer-selected:host, .polymer-ui-dark-theme[active]:host) {
  background-color: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

:host([active].no-active-bg:host) {
  background-color: transparent;
  border: 1px solid transparent;
}

/* icon and label */
polymer-ui-icon:not([showing]) {
  display: none !important;
}

polymer-ui-icon {
  margin-right: 16px;
}

#label {
  vertical-align: middle;
  padding-right: 20px;
}

/*@polyfill :host #label > a, #link */
::content > a, #link {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: -1px;
}

#link[hidden] {
  display: none;
}
</style>
    <polymer-ui-icon src="{{src}}" icon="{{icon}}" showing?="{{icon || src}}"></polymer-ui-icon>
    <span id="label">{{label}}<content></content></span>
    <a id="link" href="{{href}}" hidden?="{{!href}}"></a>
  </template>
  <script>
    Polymer('polymer-ui-menu-item', {
      label: '',
      // calc item's offset middle pos instead of using offsetTop/Height 
      // directly which requires to wait for submenu's collapsing transition to 
      // complete first before it can return the correct pos.
      getOffsetMiddle: function() {
        var p = this.parentNode;
        if (p) {
          var i = Array.prototype.indexOf.call(p.items, this);
          var h = this.getItemHeight();
          return i * h + h/2 + p.items[0].offsetTop;
        }
      },
      getItemHeight: function() {
        return this.offsetHeight;
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<!--
/**
 * @module Polymer Elements
 */
/**
 * polymer-media-query can be used to data bind to a CSS media query.
 * The "query" property is a bare CSS media query.
 * The "queryMatches" property will be a boolean representing if the page matches that media query.
 *
 * polymer-media-query uses media query listeners to dynamically update the "queryMatches" property.
 * A "polymer-mediachange" event also fires when queryMatches changes.
 *
 * Example:
 *
 *      <polymer-media-query query="max-width: 640px" queryMatches="{{phoneScreen}}"></polymer-media-query>
 *
 * @class polymer-media-query
 */
-->


<polymer-element name="polymer-media-query" attributes="query queryMatches" assetpath="bower_components/polymer-media-query/">
  <template>
    <style>
      :host {
        display: none;
      }
    </style>
  </template>
  <script>

    Polymer('polymer-media-query', {
      /**
       * The Boolean return value of the media query
       * @attribute queryMatches
       * @type Boolean
       * @default false
       */
      queryMatches: false,
      /**
       * The CSS media query to evaulate
       * @attribute query
       * @type string
       * @default ''
       */
      query: '',
      ready: function() {
        this._mqHandler = this.queryHandler.bind(this);
        this._mq = null;
      },
      queryChanged: function() {
        if (this._mq) {
          this._mq.removeListener(this._mqHandler);
        }
        var query = this.query;
        if (query[0] !== '(') {
          query = '(' + this.query + ')';
        }
        this._mq = window.matchMedia(query);
        this._mq.addListener(this._mqHandler);
        this.queryHandler(this._mq);
      },
      queryHandler: function(mq) {
        this.queryMatches = mq.matches;
        this.asyncFire('polymer-mediachange', mq);
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<!--
/**
 * @module Polymer Elements
 */
/**
 * polymer-flex-layout provides a helper to use CSS3 Flexible Boxes.  By putting
 * polymer-flex-layout inside an element it makes the element a flex
 * container. Use 'flex' attribute to make the flex item flexible.
 *
 * Example:
 *
 *     <div>
 *       <polymer-flex-layout></polymer-flex-layout>
 *       <div>Left</div>
 *       <div flex>Main</div>
 *       <div>Right</div>
 *     </div>
 *
 *     ---------------------------------
 *     |-------------------------------|
 *     ||Left|       Main       |Right||
 *     |-------------------------------|
 *     ---------------------------------
 *
 *     <div>
 *       <polymer-flex-layout vertical></polymer-flex-layout>
 *       <div>Header</div>
 *       <div flex>Body</div>
 *       <div>Footer</div>
 *     </div>
 *
 *     ----------
 *     ||------||
 *     ||Header||
 *     ||------||
 *     ||Body  ||
 *     ||      ||
 *     ||      ||
 *     ||      ||
 *     ||      ||
 *     ||      ||
 *     ||      ||
 *     ||------||
 *     ||Footer||
 *     ||------||
 *     ----------
 *
 * @class polymer-flex-layout
 */
/**
 * If true, flex items are aligned vertically.
 *
 * @attribute vertical
 * @type boolean
 * @default false
 */
/**
 * Defines the default for how flex items are laid out along the cross axis on 
 * the current line.  Possible values are 'start', 'center' and 'end'.
 *
 * @attribute align
 * @type string
 * @default ''
 */
/**
 * Defines how flex items are laid out along the main axis on the current line.
 * Possible values are 'start', 'center' and 'end'.
 *
 * @attribute justify
 * @type string
 * @default ''
 */
/**
 * If true, polymer-flex-layout is the flex container.
 *
 * Example:
 *
 *     <polymer-flex-layout isContainer>
 *       <div>Left</div>
 *       <div flex>Main</div>
 *       <div>Right</div>
 *     </polymer-flex-layout>
 *
 *     ---------------------------------
 *     |-------------------------------|
 *     ||Left|       Main       |Right||
 *     |-------------------------------|
 *     ---------------------------------
 *
 * @attribute isContainer
 * @type boolean
 * @default false
 */
-->


<polymer-element name="polymer-flex-layout" attributes="vertical align justify isContainer" assetpath="bower_components/polymer-flex-layout/">
  <template>
    <style polymer-scope="controller">/*
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
*/
.flexbox, [flexbox], [h-flexbox], [v-flexbox] {
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: -moz-flex !important;
  display: -webkit-flex !important;
  display: flex !important;
}

.flexbox.row, [flexbox], [h-flexbox] {
  -webkit-box-orient: horizontal;
  -ms-flex-direction: row;
  -moz-flex-direction: row;
  -webkit-flex-direction: row;
  flex-direction: row;
}

.flexbox.column, [v-flexbox] {
  -webkit-box-orient: vertical;
  -ms-flex-direction: column;
  -moz-flex-direction: column;
  -webkit-flex-direction: column;
  flex-direction: column;
}

.flex, [flex], [fit] {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  -moz-flex: 1;
  -webkit-flex: 1;
  flex: 1;
}

::-webkit-distributed(.flex), 
::-webkit-distributed([flex]),
::-webkit-distributed([fit]) {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  -moz-flex: 1;
  -webkit-flex: 1;
  flex: 1;
}

.flexbox.align-start {
  -webkit-box-align: start;
  -ms-flex-align: start;
  -moz-align-items: flex-start;
  -webkit-align-items: flex-start;
  align-items: flex-start;
}

.flexbox.align-end {
  -webkit-box-align: end;
  -ms-flex-align: end;
  -moz-align-items: flex-end;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}

.flexbox.align-center {
  -webkit-box-align: center;
  -ms-flex-align: center;
  -moz-align-items: center;
  -webkit-align-items: center;
  align-items: center;
}

.flexbox.justify-start {
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  -moz-justify-content: flex-start;
  -webkit-justify-content: flex-start;
  justify-content: flex-start;
}

.flexbox.justify-end {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  -moz-justify-content: flex-end;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
}

.flexbox.justify-center {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -moz-justify-content: center;
  -webkit-justify-content: center;
  justify-content: center;
}

.flexbox.justify-between {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -moz-justify-content: space-between;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}

:host(.flexbox:host, [flexbox]:host, [h-flexbox]:host, [v-flexbox]:host) {
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: -moz-flex !important;
  display: -webkit-flex !important;
  display: flex !important;
}
  
:host(.flexbox.row:host, [flexbox]:host, [h-flexbox]:host) {
  -webkit-box-orient: horizontal;
  -ms-flex-direction: row;
  -moz-flex-direction: row;
  -webkit-flex-direction: row;
  flex-direction: row;
}
  
:host(.flexbox.column:host, [v-flexbox]:host) {
  -webkit-box-orient: vertical;
  -ms-flex-direction: column;
  -moz-flex-direction: column;
  -webkit-flex-direction: column;
  flex-direction: column;
}
  
:host(.flexbox.align-start:host) {
  -webkit-box-align: start;
  -ms-flex-align: start;
  -moz-align-items: flex-start;
  -webkit-align-items: flex-start;
  align-items: flex-start;
}
  
:host(.flexbox.align-end:host) {
  -webkit-box-align: end;
  -ms-flex-align: end;
  -moz-align-items: flex-end;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}

:host(.flexbox.align-center:host) {
  -webkit-box-align: center;
  -ms-flex-align: center;
  -moz-align-items: center;
  -webkit-align-items: center;
  align-items: center;
}

:host(.flexbox.justify-start:host) {
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  -moz-justify-content: flex-start;
  -webkit-justify-content: flex-start;
  justify-content: flex-start;
}

:host(.flexbox.justify-end:host) {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  -moz-justify-content: flex-end;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
}

:host(.flexbox.justify-center:host) {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -moz-justify-content: center;
  -webkit-justify-content: center;
  justify-content: center;
}

:host(.flexbox.justify-between:host) {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -moz-justify-content: space-between;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
</style>
    <style>/*
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
*/
.flexbox, [flexbox], [h-flexbox], [v-flexbox] {
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: -moz-flex !important;
  display: -webkit-flex !important;
  display: flex !important;
}

.flexbox.row, [flexbox], [h-flexbox] {
  -webkit-box-orient: horizontal;
  -ms-flex-direction: row;
  -moz-flex-direction: row;
  -webkit-flex-direction: row;
  flex-direction: row;
}

.flexbox.column, [v-flexbox] {
  -webkit-box-orient: vertical;
  -ms-flex-direction: column;
  -moz-flex-direction: column;
  -webkit-flex-direction: column;
  flex-direction: column;
}

.flex, [flex], [fit] {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  -moz-flex: 1;
  -webkit-flex: 1;
  flex: 1;
}

::-webkit-distributed(.flex), 
::-webkit-distributed([flex]),
::-webkit-distributed([fit]) {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  -moz-flex: 1;
  -webkit-flex: 1;
  flex: 1;
}

.flexbox.align-start {
  -webkit-box-align: start;
  -ms-flex-align: start;
  -moz-align-items: flex-start;
  -webkit-align-items: flex-start;
  align-items: flex-start;
}

.flexbox.align-end {
  -webkit-box-align: end;
  -ms-flex-align: end;
  -moz-align-items: flex-end;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}

.flexbox.align-center {
  -webkit-box-align: center;
  -ms-flex-align: center;
  -moz-align-items: center;
  -webkit-align-items: center;
  align-items: center;
}

.flexbox.justify-start {
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  -moz-justify-content: flex-start;
  -webkit-justify-content: flex-start;
  justify-content: flex-start;
}

.flexbox.justify-end {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  -moz-justify-content: flex-end;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
}

.flexbox.justify-center {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -moz-justify-content: center;
  -webkit-justify-content: center;
  justify-content: center;
}

.flexbox.justify-between {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -moz-justify-content: space-between;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}

:host(.flexbox:host, [flexbox]:host, [h-flexbox]:host, [v-flexbox]:host) {
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: -moz-flex !important;
  display: -webkit-flex !important;
  display: flex !important;
}
  
:host(.flexbox.row:host, [flexbox]:host, [h-flexbox]:host) {
  -webkit-box-orient: horizontal;
  -ms-flex-direction: row;
  -moz-flex-direction: row;
  -webkit-flex-direction: row;
  flex-direction: row;
}
  
:host(.flexbox.column:host, [v-flexbox]:host) {
  -webkit-box-orient: vertical;
  -ms-flex-direction: column;
  -moz-flex-direction: column;
  -webkit-flex-direction: column;
  flex-direction: column;
}
  
:host(.flexbox.align-start:host) {
  -webkit-box-align: start;
  -ms-flex-align: start;
  -moz-align-items: flex-start;
  -webkit-align-items: flex-start;
  align-items: flex-start;
}
  
:host(.flexbox.align-end:host) {
  -webkit-box-align: end;
  -ms-flex-align: end;
  -moz-align-items: flex-end;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}

:host(.flexbox.align-center:host) {
  -webkit-box-align: center;
  -ms-flex-align: center;
  -moz-align-items: center;
  -webkit-align-items: center;
  align-items: center;
}

:host(.flexbox.justify-start:host) {
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  -moz-justify-content: flex-start;
  -webkit-justify-content: flex-start;
  justify-content: flex-start;
}

:host(.flexbox.justify-end:host) {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  -moz-justify-content: flex-end;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
}

:host(.flexbox.justify-center:host) {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -moz-justify-content: center;
  -webkit-justify-content: center;
  justify-content: center;
}

:host(.flexbox.justify-between:host) {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -moz-justify-content: space-between;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
</style>
    <content></content>
  </template>
  <script>
    Polymer('polymer-flex-layout', {
      vertical: false,
      isContainer: false,
      layoutContainer: null,
      enteredView: function() {
        this.installControllerStyles();
        this.layoutContainer = this.isContainer ? 
            this : (this.parentNode.host || this.parentNode);
        this.verticalChanged();
        this.alignChanged();
        this.justifyChanged();
      },
      leftView: function() {
        this.layoutContainer = null;
      },
      layoutContainerChanged: function(old) {
        if (old) {
          old.classList.remove('flexbox');
        }
        this.style.display = this.layoutContainer === this ? '' : 'none';
        if (this.layoutContainer) {
          this.layoutContainer.classList.add('flexbox');
        }
      },
      switchContainerClass: function(prefix, old, name) {
        if (this.layoutContainer && name) {
          this.layoutContainer.classList.switch(
              prefix + old, prefix + name);
        }
      },
      verticalChanged: function() {
        if (this.layoutContainer) {
          this.layoutContainer.classList.toggle('column', this.vertical);
        }
      },
      alignChanged: function(old) {
        this.switchContainerClass('align-', old, this.align);
      },
      justifyChanged: function(old) {
        this.switchContainerClass('justify-', old, this.justify);
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->

<!--
/**
 * @module Polymer UI Elements
 */
/**
 * polymer-ui-toolbar is a horizontal bar containing elements that can perform actions.
 *
 * Example:
 *
 *     <polymer-ui-toolbar>
 *       <polymer-ui-icon-button src="menu.png" on-click="{{menuAction}}"></polymer-ui-icon-button>
 *       <div flex>Title</div>
 *       <polymer-ui-icon-button src="more.png" on-click="{{moreAction}}"></polymer-ui-icon-button>
 *     </polymer-ui-toolbar>
 *
 * polymer-ui-toolbar can adopt to smaller screen size.  If the attribute "responsive" is set
 * and the screen size is less than the responsiveWidth (default to 800px), the toolbar will
 * be moved to the bottom of the page.
 *
 * Example:
 *
 *     <polymer-ui-toolbar>
 *       <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
 *       <div flex>Title</div>
 *       <polymer-ui-toolbar responsive>
 *         <polymer-ui-icon-button icon="add"></polymer-ui-icon-button>
 *         <polymer-ui-icon-button icon="trash"></polymer-ui-icon-button>
 *         <polymer-ui-icon-button icon="search"></polymer-ui-icon-button>
 *       </polymer-ui-toolbar>
 *     </polymer-ui-toolbar>
 *
 * @class polymer-ui-toolbar
 */
-->





<polymer-element name="polymer-ui-toolbar" extends="polymer-ui-theme-aware" attributes="responsiveWidth" assetpath="bower_components/polymer-ui-toolbar/">
  <template>
    <style>/*
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
*/

:host {
  /* technical */
  display: block;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  /* border/shadow */
	border-bottom: 1px solid rgba(0, 0, 0, 0.15);
	/* size */
  height: 60px;
  font-size: 21px;
	font-family: 'Helvetica Neue Medium', 'HelveticaNeue-Medium', Helvetica, sans-serif;
	position: relative;
}

:host(.polymer-ui-light-theme:host) {
  background: #f2f2f2 -webkit-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
  background: #f2f2f2 -moz-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
  background: #f2f2f2 -ms-linear-gradient(top, rgba(197,197,197,0), rgba(197,197,197,0.15));
  color: #333333;
}

:host(.polymer-ui-dark-theme:host) {
  background: #444444 none;
  color: #f3f3f3;
}
  
:host(.narrow-layout[responsive]:host) {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  border: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.28);
}

/* TODO(sorvell): use of !important due to inability to 
  naturally win over an :host style */
/*@polyfill :host > polymer-ui-icon-button */
::content > polymer-ui-icon-button {
  margin: 0px 8px 0 8px !important;
}

/*@polyfill :host > polymer-ui-menu-button */
::content > polymer-ui-menu-button {
  margin: 0px 8px 0 8px !important;
}

/*@polyfill :host > polymer-ui-toolbar */
::content > polymer-ui-toolbar {
  margin: 0;
}

/*@polyfill :host > polymer-ui-toolbar:not(.narrow-layout) */
::content > polymer-ui-toolbar:not(.narrow-layout) {
  border: 0;
  background: transparent none;
}
</style>
    <polymer-flex-layout align="center"></polymer-flex-layout>
    <polymer-media-query query="max-width: {{responsiveWidth}}" querymatches="{{queryMatches}}"></polymer-media-query>
    <content></content>
  </template>
  <script>
    Polymer('polymer-ui-toolbar', {
      responsiveWidth: '800px',
      queryMatches: false,
      defaultTheme: 'polymer-ui-light-theme',
      queryMatchesChanged: function() {
        this.classList.toggle('narrow-layout', this.queryMatches);
      }
    });
  </script>
</polymer-element>

<!--
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<!--
/**
 * @module Polymer UI Elements
 */
/**
 * polymer-ui-icon-button enables you to place an image centered in a button.
 *
 * Example:
 *
 *     <polymer-ui-icon-button src="star.png"></polymer-ui-icon-button>
 *
 * Polymer includes an icon set.  The property "icon" can be used
 * to specify which icon to use.
 *
 * Example:
 *
 *     <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
 *
 * @class polymer-ui-icon-button
 */
-->



<polymer-element name="polymer-ui-icon-button" extends="polymer-ui-theme-aware" attributes="src index icon active" assetpath="bower_components/polymer-ui-icon-button/">
  <template>
    <style>/*
Copyright 2013 The Polymer Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
*/
:host {
  display: inline-block;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  width: 38px;
  height: 38px;
  background-image: none;
  border-radius: 2px;
  padding: 7px;
  margin: 2px;
  vertical-align: middle;
  cursor: pointer;
}
  
:host(.outline:host) {
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

:host(:hover:host) {
  box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.1);
}

:host(.selected:host) {
  background-color: rgba(0, 0, 0, 0.05);
  box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.05), 0 0 0 1px rgba(0, 0, 0, 0.12);
}

:host(:active:host, .selected:active:host) {
  background-color: rgba(0, 0, 0, 0.05);
  box-shadow: inset 0 1px 0 0 rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.12);
}
  
:host(.polymer-ui-dark-theme.outline:host) {
  background-color: rgba(200, 200, 200, 0.05);
  box-shadow: 0 0 0 1px rgba(200, 200, 200, 0.1);
}

:host(.polymer-ui-dark-theme:hover:host) {
  background-color: rgba(200, 200, 200, 0.05);
  box-shadow: 0 1px 0 0 rgba(200, 200, 200, 0.12), 0 0 0 1px rgba(200, 200, 200, 0.1);
}

:host(.polymer-ui-dark-theme.selected:host) {
  background-color: rgba(220, 220, 220, 0.05);
  box-shadow: inset 0 1px 0 0 rgba(200, 200, 200, 0.05), 0 0 0 1px rgba(200, 200, 200, 0.12);
}

:host(.polymer-ui-dark-theme:active:host, .polymer-ui-dark-theme.selected:active:host) {
  background-color: rgba(200, 200, 200, 0.05);
  box-shadow: inset 0 1px 0 0 rgba(200, 200, 200, 0.1), 0 0 0 1px rgba(200, 200, 200, 0.12);
}

polymer-ui-icon {
  display: block !important;
}</style>
    <polymer-ui-icon src="{{src}}" index="{{index}}" icon="{{icon}}"><content></content></polymer-ui-icon>
  </template>
  <script>
    Polymer('polymer-ui-icon-button', {
      /**
       * The URL of an image for the icon.
       *
       * @attribute src
       * @type string
       * @default ''
       */
      src: '',
      /**
       * If true, border is placed around the button to indicate
       * active state.
       *
       * @attribute active
       * @type boolean
       * @default false
       */
      active: false,
      /**
       * Specifies the icon from the Polymer icon set.
       *
       * @attribute icon
       * @type string
       * @default ''
       */
      icon: '',
      /**
       * If a theme is applied that includes an icon set, the index of the 
       * icon to display.
       *
       * @attribute index
       * @type number
       * @default -1
       */     
      index: -1,
      activeChanged: function() {
        // TODO(sjmiles): sugar this common case
        this.classList.toggle('selected', this.active);
      }
    });
  </script>
</polymer-element>
<style>
      .message {
        padding: 20px 10px;
        background-color: white;
        border-bottom: 1px solid lightgray;
      }
      #messages {
        background-color: darkgrey;
      }
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